A poll by Harvard and Harris conducted from March 24 to 26 shows Biden beating Trump by 10 points, 55 percent to 45 percent.
Nearly twice as many supporters of the president said they are "very enthusiastic" about their candidate, compared to those backing the former vice president.
Both Democratic contenders have strongly criticized Trump's handling of the government response to the coronavirus pandemic.
The CBS News/YouGov poll revealed that Republicans are far more confident than Democrats, with 90 percent of GOP registered voters expecting the president to win re-election.
Jim Messina, Obama's 2012 campaign manager, told an MSNBC panel that Senator Bernie Sanders was "the worst candidate" to beat Donald Trump in a general election.
The senator from Vermont also maintains the highest favorability among Democratic voters at 76 percent, compared with Joe Biden's 71 percent.
Drawing contrast with his own "unprecedented campaign," Sanders said Biden running the "same old, same old" type of campaign, similar to that of Hillary Clinton's in 2016, is exactly what Team Trump is hoping for next year.
In preparation for the general election, Boris Johnson has created an ad campaign that parodies a famous scene in the movie 'Love, Actually,' while Hugh Grant, the star of that film, goes door to door for Johnson's Liberal Democrat opponents.
The U.K. will hold an election in December and the new prime minister could be a man who's struggled to quell anti-Semitism in his party.
Senior Conservatives told May that if the advisors didn't go, they would mount a leadership challenge.
A hard-fought campaign has led to a surprising surge in support for left-wing opposition leader Jeremy Corbyn.
Leader of the centrist Liberal Democrats on what his religion teaches him about politics and how his party plans to recover from 2015's electoral collapse.
The prime minister and the leader of the opposition refused to join TV debates, making the election result seem more of a foregone conclusion than ever.
The social network is trying to tackle fake news following criticism that it allowed far-right groups to spread lies before the U.S. election.
Opposition politicians were highly critical of the Daily Mail's front page on Theresa May's call for a general election.
Despite previously saying she would not call a snap election, May has multiple reasons to send British voters to the polls on June 8.
The former prime minister resigned after failing to secure a Remain vote.
A candidate who successfully navigates the primaries and the general election will have misled the electorate.
Minutes prior to the launch, the party's general election chief called for government to announce snap poll.
Even after 12 shadow cabinet resignations, Corbyn is standing firm against a challenge to his leadership.
What comes next is unclear—will renegotiation lead to a deal or a second referendum?
A series of polls on Sunday and Monday put 'Unidos Podemos' in second place overall.